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1 : : /* Selftest support for diagnostics.
2 : : Copyright (C) 2016-2025 Free Software Foundation, Inc.
3 : :
4 : : This file is part of GCC.
5 : :
6 : : GCC is free software; you can redistribute it and/or modify it under
7 : : the terms of the GNU General Public License as published by the Free
8 : : Software Foundation; either version 3, or (at your option) any later
9 : : version.
10 : :
11 : : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 : : WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 : : FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 : : for more details.
15 : :
16 : : You should have received a copy of the GNU General Public License
17 : : along with GCC; see the file COPYING3. If not see
18 : : <http://www.gnu.org/licenses/>. */
19 : :
20 : : #include "config.h"
21 : : #include "system.h"
22 : : #include "coretypes.h"
23 : : #include "diagnostic.h"
24 : : #include "diagnostic-format.h"
25 : : #include "selftest.h"
26 : : #include "selftest-diagnostic.h"
27 : :
28 : : /* The selftest code should entirely disappear in a production
29 : : configuration, hence we guard all of it with #if CHECKING_P. */
30 : :
31 : : #if CHECKING_P
32 : :
33 : : namespace selftest {
34 : :
35 : : /* Implementation of class selftest::test_diagnostic_context. */
36 : :
37 : 18618 : test_diagnostic_context::test_diagnostic_context ()
38 : : {
39 : 18618 : diagnostic_initialize (this, 0);
40 : 18618 : pp_show_color (get_reference_printer ()) = false;
41 : 18618 : m_source_printing.enabled = true;
42 : 18618 : m_source_printing.show_labels_p = true;
43 : 18618 : m_show_column = true;
44 : 18618 : diagnostic_start_span (this) = start_span_cb;
45 : 18618 : m_source_printing.min_margin_width = 6;
46 : 18618 : m_source_printing.max_width = 80;
47 : 18618 : pp_buffer (get_output_format (0).get_printer ())->m_flush_p = false;
48 : 18618 : }
49 : :
50 : 18618 : test_diagnostic_context::~test_diagnostic_context ()
51 : : {
52 : 18618 : diagnostic_finish (this);
53 : 18618 : }
54 : :
55 : : /* Implementation of diagnostic_start_span_fn, hiding the
56 : : real filename (to avoid printing the names of tempfiles). */
57 : :
58 : : void
59 : 1712 : test_diagnostic_context::
60 : : start_span_cb (const diagnostic_location_print_policy &loc_policy,
61 : : pretty_printer *pp,
62 : : expanded_location exploc)
63 : : {
64 : 1712 : exploc.file = "FILENAME";
65 : 1712 : default_diagnostic_start_span_fn (loc_policy, pp, exploc);
66 : 1712 : }
67 : :
68 : : bool
69 : 193 : test_diagnostic_context::report (diagnostic_t kind,
70 : : rich_location &richloc,
71 : : const diagnostic_metadata *metadata,
72 : : int option,
73 : : const char * fmt, ...)
74 : : {
75 : 193 : va_list ap;
76 : 193 : va_start (ap, fmt);
77 : 193 : begin_group ();
78 : 193 : bool result = diagnostic_impl (&richloc, metadata, option, fmt, &ap, kind);
79 : 193 : end_group ();
80 : 193 : va_end (ap);
81 : 193 : return result;
82 : : }
83 : :
84 : : /* Print RICHLOC's source and annotations to this context's m_printer.
85 : : Return the text buffer from the printer. */
86 : :
87 : : const char *
88 : 4992 : test_diagnostic_context::test_show_locus (rich_location &richloc)
89 : : {
90 : 4992 : pretty_printer *pp = get_reference_printer ();
91 : 4992 : gcc_assert (pp);
92 : 4992 : diagnostic_source_print_policy source_policy (*this);
93 : 4992 : source_policy.print (*pp, richloc, DK_ERROR, nullptr);
94 : 4992 : return pp_formatted_text (pp);
95 : : }
96 : :
97 : : } // namespace selftest
98 : :
99 : : #endif /* #if CHECKING_P */
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